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Biometric recognition is widely used, making the privacy and security of extracted templates a critical concern. Biometric Template Protection schemes, especially those utilizing Homomorphic Encryption, introduce significant computational…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Florian Bayer , Maximilian Russo , Christian Rathgeb

Biometrics systems have been used in a wide range of applications and have improved people authentication. Signature verification is one of the most common biometric methods with techniques that employ various specifications of a signature.…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Mohsen Fayyaz , Mohammad Hajizadeh_Saffar , Mohammad Sabokrou , Mahmood Fathy

Existing fuzzy extractors and similar methods provide an effective way for extracting a secret key from a user's biometric data, but are susceptible to impersonation attack: once a valid biometric sample is captured, the scheme is no longer…

Cryptography and Security · Computer Science 2024-05-21 Hong Yen Tran , Jiankun Hu , Wen Hu

Essentially a biometric system is a pattern recognition system which recognizes a user by determining the authenticity of a specific anatomical or behavioral characteristic possessed by the user. With the ever increasing integration of…

Computer Vision and Pattern Recognition · Computer Science 2012-01-19 Aamir Khan , Muhammad Farhan , Aasim Khurshid , Adeel Akram

Privacy computing involves the extensive exchange and processing of encrypted data. For the parties involved in these interactions, how to determine the consistency of exchanged data without accessing the original data, ensuring tamper…

Cryptography and Security · Computer Science 2024-10-24 Huang Neng

One of the most important consideration techniques when one want to solve the protecting of digital signal is the golden matrix. The golden matrices can be used for creation of a new kind of cryptography called the golden cryptography. Many…

Cryptography and Security · Computer Science 2015-01-16 Marghny H. Mohamed , Yousef B. Mahdy , Wafaa Abd El-Wahed Shaban

Despite being more secure and strongly promoted, two-factor (2FA) or multi-factor (MFA) schemes either fail to protect against recent phishing threats such as real-time MITM, controls/relay MITM, malicious browser extension-based phishing…

Cryptography and Security · Computer Science 2024-06-14 Sneha Shukla , Gaurav Varshney , Shreya Singh , Swati Goel

Behavioral biometrics based on smartphone motion sensors are growing in popularity for authentication purposes. In this study, AirSignatureDB is presented: a new publicly accessible dataset of in-air signatures collected from 108…

Human-Computer Interaction · Computer Science 2025-08-13 Marta Robledo-Moreno , Ruben Vera-Rodriguez , Ruben Tolosana , Javier Ortega-Garcia , Andres Huergo , Julian Fierrez

Security monitoring via ubiquitous cameras and their more extended in intelligent buildings stand to gain from advances in signal processing and machine learning. While these innovative and ground-breaking applications can be considered as…

Cryptography and Security · Computer Science 2026-05-06 Mehmet Yamac , Mete Ahishali , Nikolaos Passalis , Jenni Raitoharju , Bulent Sankur , Moncef Gabbouj

In symmetric key cryptography the sender as well as the receiver possess a common key. Asymmetric key cryptography involves generation of two distinct keys which are used for encryption and decryption correspondingly. The sender converts…

Cryptography and Security · Computer Science 2016-03-25 Akashdeep Bhardwaj , GVB Subrahmanyam , Vinay Avasthi , Hanumat Sastry

Threshold cryptography has gained momentum in the last decades as a mechanism to protect long term secret keys. Rather than having a single secret key, this allows to distribute the ability to perform a cryptographic operation such as…

Cryptography and Security · Computer Science 2024-08-30 Florian Le Mouël , Maxime Godon , Renaud Brien , Erwan Beurier , Nora Boulahia-Cuppens , Frédéric Cuppens

This work enhances traditional authentication systems based on Personal Identification Numbers (PIN) and One-Time Passwords (OTP) through the incorporation of biometric information as a second level of user authentication. In our proposed…

Cryptography and Security · Computer Science 2022-05-04 Ruben Tolosana , Ruben Vera-Rodriguez , Julian Fierrez

We theoretically propose a symmetric encryption scheme based on Restricted Boltzmann Machines that functions as a probabilistic Enigma device, encoding information in the marginal distributions of visible states while utilizing bias…

Statistical Mechanics · Physics 2025-07-24 Bin Chen , Weichao Yu

Our behavior (the way we talk, walk, act or think) is unique and can be used as a biometric trait. It also correlates with sensitive attributes like emotions and health conditions. Hence, techniques to protect individuals privacy against…

Cryptography and Security · Computer Science 2023-01-06 Simon Hanisch , Patricia Arias-Cabarcos , Javier Parra-Arnau , Thorsten Strufe

Privacy Security of data in Cloud Storage is one of the main issues. Many Frameworks and Technologies are used to preserve data security in cloud storage. [1] Proposes a framework which includes the design of data organization structure,…

Cryptography and Security · Computer Science 2012-05-15 Rajeev Bedi , Mohit Marwaha , Tajinder Singh , Harwinder Singh , Amritpal Singh

A database is a prime target for cyber-attacks as it contains confidential, sensitive, or protected information. With the increasing sophistication of the internet and dependencies on internet data transmission, it has become vital to be…

Cryptography and Security · Computer Science 2022-11-21 Tanvi S. Patel , Srinivasakranthikiran Kolachina , Daxesh P. Patel , Pranav S. Shrivastav

Most user authentication methods and identity proving systems rely on a centralized database. Such information storage presents a single point of compromise from a security perspective. If this system is compromised it poses a direct threat…

Cryptography and Security · Computer Science 2017-11-21 Asem Othman , John Callahan

The success of face recognition (FR) systems has led to serious privacy concerns due to potential unauthorized surveillance and user tracking on social networks. Existing methods for enhancing privacy fail to generate natural face images…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Liqin Wang , Qianyue Hu , Wei Lu , Xiangyang Luo

This article proposes a comprehensive approach to implementing encryption schemes based on the automorphism group of the Hermitian function field. We utilize a three-parameter group with logarithmic representations outside the group's…

Cryptography and Security · Computer Science 2025-04-16 Gennady Khalimov , Yevgen Kotukh

Digital signatures are frequently used in data transfer to prevent impersonation, repudiation and message tampering. Currently used classical digital signature schemes rely on public key encryption techniques, where the complexity of…